Home Postcode finder WA Laverton Laverton postcode WA Laverton is a locality in Western Australia covered by postcode 6440. Postcode 6440 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Laverton business listing More business listings in Laverton Businesses in LavertonLaverton Primary SchoolLot 373 Lancefield St · 08 90311020Mt Margaret Remote Community SchoolMount Margaret via · 08 90375959 Common questionsWhat is the postcode for Laverton?Laverton, WA has the postcode 6440.What state is Laverton in?Laverton is in Western Australia (WA).Does postcode 6440 cover more than one suburb?Yes. Postcode 6440 covers 6 localities, so the postcode alone does not identify Laverton. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.